Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-07-14
Phys.Rev.D74:076001,2006
Physics
High Energy Physics
High Energy Physics - Phenomenology
9 pages, 3 tables; a comment added to clarify the effects of additional Yukawa operators; final version in PRD
Scientific paper
10.1103/PhysRevD.74.076001
We include the standard-model (SM) leptons in a recently proposed framework for the generation of quark mass ratios and Cabibbo-Kobayashi-Maskawa (CKM) mixing angles from an SU(3) family gauge interaction. The set of SM-singlet scalar fields describing the spontaneous breaking is the same as employed for the quark sector. The imposition at tree-level of the experimentally correct Pontecorvo-Maki-Nakagawa-Sakata (PMNS) mixing matrix, in the form of a tri-bi maximal structure, fixes several of the otherwise free parameters and renders the model predictive. The normal hierarchy among the neutrino masses emerges from this scheme.
Appelquist Thomas
Bai Yang
Piai Maurizio
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